:root{--blue:#0466b2;--blue2:#0a70c7;--navy:#071d3b;--ink:#0c1d34;--muted:#536276;--line:#dbe6f0;--soft:#f4f8fc;--softblue:#eef6fd;--white:#fff;--radius:18px;--shadow:0 20px 45px rgba(12,29,52,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(1420px,calc(100% - 64px));margin-inline:auto}.section-pad{padding:92px 0}.eyebrow{margin:0 0 14px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.eyebrow.light{color:#a9d4f3}h1,h2,h3{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;margin:0;line-height:1.08}h1{font-size:clamp(3rem,4.7vw,5.7rem);letter-spacing:-.05em}h2{font-size:clamp(2.1rem,3.4vw,4rem);letter-spacing:-.04em}.lead{font-size:1.18rem;color:var(--muted);max-width:610px}.lead-sm{color:var(--muted);font-size:1.03rem;max-width:820px;margin:14px auto 0}.section-head{margin-bottom:40px}.section-head.center{text-align:center}.section-head.center h2,.section-head.center .lead-sm{margin-left:auto;margin-right:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #edf2f7}.nav-wrap{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:20px}.brand img{width:150px;height:92px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;gap:2px}.brand-copy strong{font:800 1.35rem/1.1 Manrope,Inter,sans-serif}.brand-copy small{font-size:1.18rem;font-weight:800;color:var(--ink);white-space:nowrap}.nav{display:flex;gap:46px;align-items:center;font-weight:600}.nav a:hover{color:var(--blue)}.nav-toggle{display:none;border:0;background:none;font-size:1.5rem}
.hero{padding:54px 0 24px}.hero-grid{display:grid;grid-template-columns:.88fr 1.42fr;gap:60px;align-items:center}.hero-copy{padding-left:10px}.hero-copy .eyebrow{margin-bottom:18px}.title-line{width:62px;height:3px;background:var(--blue);margin:32px 0}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:15px 21px;border-radius:6px;border:1px solid transparent;font-weight:700;transition:.2s;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#035892}.btn-ghost{border-color:var(--blue);color:var(--blue);background:#fff}.btn-light{background:#fff;color:var(--blue)}.btn-dark{background:var(--navy);color:#fff}.trust-row{display:flex;gap:0;align-items:stretch;margin-top:46px}.trust-row span{display:flex;align-items:center;gap:10px;padding:0 18px;border-right:1px solid #cbd7e4;font-size:.74rem;line-height:1.2}.trust-row span:first-child{padding-left:0}.trust-row span:last-child{border-right:0}.trust-row b{font-size:1.05rem;color:var(--blue)}
.hero-visual{min-width:0}.hero-compare{position:relative;height:630px;border-radius:14px;overflow:hidden;background:#edf2f5;box-shadow:var(--shadow)}.hero-photo,.hero-cad-half img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-photo{object-position:46% 50%}.hero-cad-half{position:absolute;inset:0;clip-path:inset(0 0 0 50%);overflow:hidden}.hero-cad-half img{object-position:33% 50%;transform:translateX(14%) scale(1.04);transform-origin:center}.hero-center-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:rgba(4,102,178,.75)}.ecad-label{position:absolute;top:26px;right:28px;display:flex;flex-direction:column;gap:2px;font-size:.82rem}.ecad-label strong{color:var(--blue);font-size:.76rem;letter-spacing:.03em}
.benefit-strip{background:linear-gradient(90deg,#f4f8fd,#eef6fd);border-top:1px solid #e6eef6;border-bottom:1px solid #e6eef6}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.benefit-item{display:grid;grid-template-columns:72px 1fr;gap:18px;align-items:center;padding:12px 34px;border-right:1px solid #d7e4ef}.benefit-item:last-child{border-right:0}.benefit-icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#dcebfb;color:var(--blue);font-size:1.8rem}.benefit-item h3{font-size:1rem}.benefit-item p{font-size:.86rem;margin:6px 0 0;color:var(--muted)}
.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.service-card{border:1px solid var(--line);border-radius:10px;padding:24px;min-height:260px;display:flex;flex-direction:column;background:#fff;box-shadow:0 6px 20px rgba(12,29,52,.03)}.card-icon{font-size:1.8rem;color:var(--blue);margin-bottom:18px}.service-card h3{font-size:1.02rem}.service-card p{font-size:.9rem;color:var(--muted);margin:12px 0 24px}.service-card a{margin-top:auto;color:var(--blue);font-weight:700;font-size:.9rem}
.isfp{background:var(--soft)}.split-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.step-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}.step-strip div{border-top:2px solid var(--blue);padding-top:14px}.step-strip span{display:block;color:var(--blue);font-size:.75rem;margin-bottom:6px}.info-panel{background:#fff;border-radius:18px;padding:32px;box-shadow:var(--shadow)}.mini-label{font-size:.73rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--muted)}.info-panel li+li{margin-top:8px}.info-panel ul{color:var(--muted)}.text-link{color:var(--blue);font-weight:700}
.projects{background:#f8fbff}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.project-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 12px 35px rgba(12,29,52,.05)}.project-image{position:relative;aspect-ratio:16/7;overflow:hidden}.project-image img{width:100%;height:100%;object-fit:cover}.project-image span{position:absolute;left:16px;bottom:12px;background:#fff;padding:5px 8px;border-radius:4px;font-size:.68rem;font-weight:800}.project-copy{padding:22px}.project-copy p{color:var(--muted);margin:10px 0 16px}.project-open{border:0;background:none;padding:0;color:var(--blue);font-weight:700;cursor:pointer}
.ecad{background:#0d1d2d;color:#fff}.ecad .lead-sm{color:#b8c5d1;margin-left:0}.ecad-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.ecad-tab{border:1px solid #30465b;background:#15283a;color:#c7d3de;border-radius:999px;padding:9px 14px;cursor:pointer}.ecad-tab.active{background:var(--blue);border-color:var(--blue);color:#fff}.compare-frame{position:relative;aspect-ratio:16/7;border-radius:16px;overflow:hidden;background:#dfe4e8;box-shadow:0 22px 60px rgba(0,0,0,.25)}.compare-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.compare-overlay{position:absolute;inset:0;clip-path:inset(0 0 0 50%);overflow:hidden;background:linear-gradient(to bottom,#dbdbdb 0 66%,#605f5f 66% 100%)}.compare-overlay .compare-img{object-position:50% 50%;transform:translateX(-3%) scale(1.08)}.compare-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff}.compare-line span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-weight:700;box-shadow:0 6px 20px rgba(0,0,0,.25)}.compare-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize}.compare-labels{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between}.compare-labels span{background:rgba(8,23,36,.64);padding:5px 8px;border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.1em}
.about-visual{min-height:430px}.abstract-plan{height:430px;background:#0d1d2d;border-radius:20px;display:grid;place-items:center;overflow:hidden}.abstract-plan img{width:280px}.blueprint-visual img{width:100%;height:100%;object-fit:cover;object-position:center -64px}.credential-grid{display:flex;align-items:center;gap:28px;margin-top:26px}.credential-grid span{background:none;border:0;border-radius:0;padding:0;font-size:.9rem;font-weight:600;display:inline-flex;align-items:center}.credential-grid span+span::before{content:'·';display:inline-block;margin-right:12px}
.trust-band{background:linear-gradient(90deg,#0b5faf,#0a75c9);color:#fff}.trust-band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:24px 0}.trust-band-grid>div{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start}.trust-band-grid b{font-size:1.7rem}.trust-band-grid span{display:grid}.trust-band-grid strong{font-size:.9rem}.trust-band-grid small{font-size:.75rem;color:#ddecf8;margin-top:4px}
.contact{background:var(--blue);color:#fff}.contact-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px}.contact-copy p:not(.eyebrow):not(.placeholder-note){color:#d5e9f7;margin-top:18px}.contact-badges{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.contact-badges span{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 10px;font-size:.8rem}.placeholder-note{font-size:.76rem;color:#c9e2f3;margin-top:10px}.contact-form{background:#fff;color:var(--ink);border-radius:18px;padding:28px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-form label{display:grid;gap:7px;font-size:.86rem;font-weight:600;margin-bottom:14px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px}.form-msg{font-size:.82rem;color:var(--muted)}
.footer{padding:26px 0;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:24px}.footer-brand img{width:62px;height:38px}.footer-brand span{font-size:.82rem;color:var(--muted)}.footer p,.footer-links{font-size:.84rem;color:var(--muted)}.footer-links{display:flex;gap:16px}
.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1150px){.nav-wrap{gap:12px}.brand{gap:10px}.brand img{width:100px;height:64px}.brand-copy strong{font-size:.92rem}.brand-copy small{font-size:.72rem}.nav{gap:9px;font-size:.76rem}.hero-grid{grid-template-columns:1fr 1.15fr}.hero-compare{height:560px}.service-grid{grid-template-columns:repeat(3,1fr)}.benefit-grid{grid-template-columns:repeat(2,1fr)}.benefit-item:nth-child(2){border-right:0}.benefit-item{border-bottom:1px solid #d7e4ef}}
@media(max-width:900px){.container{width:min(100% - 32px,1420px)}.nav-toggle{display:block}.nav{display:none;position:absolute;top:112px;left:0;right:0;background:#fff;padding:18px 24px;flex-direction:column;align-items:flex-end;text-align:right;border-bottom:1px solid var(--line)}.nav.open{display:flex}.hero-grid,.split-grid,.contact-grid{grid-template-columns:1fr}.hero-compare{height:520px}.service-grid{grid-template-columns:repeat(2,1fr)}.project-grid{grid-template-columns:1fr}.trust-band-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 24px,1420px)}.section-pad{padding:66px 0}.nav-wrap{min-height:84px}.nav{top:84px}.brand img{width:92px;height:56px}.brand-copy{display:none}.hero{padding-top:30px}.hero-compare{height:390px}.hero-grid{gap:34px}.hero-cad-half img{transform:translateX(10%) scale(1.02)}.trust-row{flex-wrap:wrap;gap:12px}.trust-row span{border-right:0;padding:0}.benefit-grid,.service-grid,.trust-band-grid{grid-template-columns:1fr}.benefit-item{border-right:0}.step-strip{grid-template-columns:repeat(2,1fr)}.field-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.project-image{aspect-ratio:16/9}}

/* V10: Hero-Bild aus freigegebener Real/E-CAD-Grafik */
.hero-static > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}


/* V11 – Header und Qualifikationslogos */
.brand-copy strong{
  white-space:nowrap;
}

.trust-logos{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
  align-items:stretch;
}

.trust-logos .trust-logo{
  min-width:0;
  min-height:72px;
  padding:10px 12px;
  border:1px solid #e5eaf0;
  border-radius:10px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
}

.trust-logos .trust-logo img{
  display:block;
  width:100%;
  height:50px;
  object-fit:contain;
  object-position:center;
}

@media (max-width: 900px){
  .trust-logos{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 520px){
  .brand-copy strong{
    white-space:normal;
  }
  .trust-logos{
    grid-template-columns:1fr 1fr;
  }
}

.hero-blue{color:#0466b2;}

/* V12.0 – ausschließlich neue Icons im hellblauen Nutzenbalken */
.benefit-icon svg{
  width:30px;
  height:30px;
  display:block;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}


/* V12.9 – ausschließlich E-CAD / digitaler Gebäudebestand */
/* ZFH: real und E-CAD mit größerem Bildausschnitt / weniger Zoom */
.compare-frame[data-key="2fam"]{
  aspect-ratio:16/9;
}
.compare-frame[data-key="2fam"] .compare-overlay .compare-img{
  object-fit:cover;
  object-position:50% 50%;
  transform:translateX(-2%) scale(1.04);
}

/* MFH, Gewerbe, Öffentlich: E-CAD zurückgesetzt, nur leicht herausgezoomt */
.compare-frame[data-key="mfh"] .compare-overlay .compare-img,
.compare-frame[data-key="fertigung"] .compare-overlay .compare-img,
.compare-frame[data-key="buero"] .compare-overlay .compare-img,
.compare-frame[data-key="oeffentlich"] .compare-overlay .compare-img{
  object-fit:cover;
  object-position:50% 50%;
  transform:translateX(-3%) scale(1.07);
}

/* V16.12 – Kontaktdaten mit Icons */
.contact-details{
  display:grid;
  gap:18px;
  margin-top:20px;
  color:#d5e9f7;
  font-size:1rem;
  line-height:1.55;
}
.contact-detail{
  display:grid;
  grid-template-columns:24px 1fr;
  gap:12px;
  align-items:center;
}
.contact-detail svg{
  width:22px;
  height:22px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.contact-detail a{
  color:inherit;
}
.contact-detail-address{
  align-items:start;
}
.contact-detail-address svg{
  margin-top:2px;
}

/* V17.0 – FAQ */
.faq{
  background:#f8fbff;
}
.faq-wrap{
  max-width:980px;
}
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:1.02rem;
  font-weight:700;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary b{
  flex:0 0 30px;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  color:var(--blue);
  font-size:1.45rem;
  font-weight:500;
  line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary b{
  transform:rotate(45deg);
}
.faq-item p{
  margin:-6px 56px 22px 0;
  color:var(--muted);
  font-size:.96rem;
  line-height:1.65;
}

/* V17.7 – FAQ iPhone Querformat / iPad Pro Hochformat */
@media (orientation: landscape) and (max-height: 500px){
  .faq-item p{
    -webkit-text-size-adjust:100%;
    text-size-adjust:100%;
    font-size:.96rem;
  }
}

/* V17.8 – Verbands-/Behördenlogos im Hochformat kompakt halten */
@media (orientation: portrait) and (max-width: 900px){
  .trust-logos{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

/* V18.4 – Hauptnavigation vor Überschneidung kompakter */
@media (max-width:1500px) and (min-width:1151px){
  .nav-wrap{
    gap:18px;
  }
  .brand{
    gap:14px;
    flex:0 0 auto;
  }
  .brand img{
    width:125px;
    height:78px;
  }
  .brand-copy strong{
    font-size:1.12rem;
  }
  .brand-copy small{
    font-size:.98rem;
  }
  .nav{
    gap:22px;
    font-size:.92rem;
    white-space:nowrap;
  }
  .nav a{
    white-space:nowrap;
  }
}